currency

nouns

the metal or paper medium of exchange that is presently used
currency
is a type of (narrower)
anything that is generally accepted as a standard of value and a measure of wealth in a particular country or region
medium of exchange, monetary system
general acceptance or use
"the currency of ideas"
currency
is a type of (narrower)
the quality of prevailing generally; being widespread
"he was surprised by the prevalence of optimism about the future"
prevalence
the property of belonging to the present time
"the currency of a slang term"
currency, currentness, up-to-dateness
is derived from
current